But, you and I probably agree that allowing Win key as meta can solve
many of these problems. That should be an available option on Emacs.
So, if Yidong and Juanma can come back and tell us how to make that
happen, we would have made some progress.

Lennart has had advice on how to make such progress in the past, but for
some reason this topic always seems to degenerate into an argument that
puts him off following through: